pbs.org
Can you know too much about yourself?
.embed-container { position: relative; padding-bottom: 2.25%; padding-top: 30px; height: 0; overflow: hidden; max-width: 100%; height: auto; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; } Take a look at the new technologies that allow people to keep track of every detail of their daily lives. It's a growing movement called "quantified self." The personal data gathered is often health-related, but there are applications to measure